The brain which, along with the spinal cord gathers informationand responds to changes in the environment.
Answer: comparative anatomy is the study of similarities and differences in the anatomy of different species. It is closely related to evolutionary and phylogeny.
Answer:
Few, if any aquatic organisms will be able to survive in these regions, they will become dead zones
I'm pretty positive its ecosystem. I hope this helps :)
Answer:ohh i think for elk its low but in past it was high and willow tree on past was less now it is more
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